With AttrakDiff, users have a simple, fast and favorably priced tool at hand to personally evaluate the usability and design of an interactive product.
With AttrakDiff, users have a simple, fast and favorably priced tool at hand to personally evaluate the usability and design of an interactive product.
Who developed AttrakDiff, and why is the service free of charge? What customers have used AttrakDiff? How do we manage their data?
Scientific maturity: For more information on publications as well as the AttrakDiff work model and measuring tool, please refer to our scientific background page.
AttrakDiff helps you to understand how users personally rate the usability and design of your interactive product. The online tool supports you in various usage scenarios:
This type of evaluation lends itself to one-off and temporary evaluations by your customers.
Example: A software-prototype P was evaluated by future users using AttrakDiff.
Ten users participated in the evaluation and the results were following:
The prototype was rated well in both hedonic and pragmatic quality. There was little room for optimisation.
The confidence rectangle shows that according to user consensus, the hedonic quality is greater than the pragmatic quality. For prototype P the confidence rectangle extends from the desired area and into the self-oriented area. It can therefore not clearly be classified as desirable.
This type of study assesses each of the two different products separately and then compares them. You will be provided with an overview of how your customers perceive each of the products. You can decide whether both products are evaluated by the same test group, or whether product A and product B are evaluated by completely different test groups.
Each of the two products was evaluated by the 8 test participants (total of 8) using AttrakDiff.
The results were the following:
Product A performed better in both hedonic and pragmatic quality than product B. The smaller confidence rectangle observed for product A implies that users were largely at one. For product B however, the user responses differed greatly. In order that product B become competitive with product A it is necessary that improvements be made.
This type of study allows you to test you product twice, e.g. before you implement changes and after you have implemented changes. You will receive a quick and detailed summary on the effects of the changes.
In this case AttrakDiff was implemented to evaluate a website before and after its relaunch. (total of 20 test participants)
Ten users participated in each of the sub-evaluations (i.e. before and after) and the outcome was as follows:
The "before"-study showed the website to be in the neutral area which corresponds to ordinary standards. Following the relaunch evaluations showed both pragmatic quality as well as hedonic quality to have improved greatly. The website is predominantly desirable. The "after"-study shows a much smaller confidence rectangle implying that the users were largely at one in their ratings compared with the "before"-study.
Ease-of-use, i. e. an optimal operability, is a must for interactive products. Increasingly, products stand out for their user experience. These days, it is necessary to apply an evaluation method that records both the perceived pragmatic quality, the hedonic quality and the attractiveness of an interactive product.
On our scientific background page on AttrakDiff, you will find further information on the AttrakDiff work model and measuring tool as well as publications about the online tool.
Wide implementation of AttrakDiff will contribute to making product-attractiveness scientifically explainable. You have the benefit of an easy evaluation tool which rates the quality of interfaces and provides a graphic presentations.
The AttrakDiff version at hand will achieve the following objectives:
Hence it is with these objectives and questions in mind that the AttrakDiff evaluation tool has been made available on this website.
AttrakDiff has been used for the evaluation of products by the following companies:
We utilise only your anonymous data. A transfer of data to any third party or other company will not occur.
For the evaluation of test products only neutral results and general information (age, gender, etc.) concerning the test participants will be saved. If you are going to use the mail function for automatic notification of test persons, these data will only be accessible for you and these data will only be used for that purpose.
We have no access to your customers' information nor is it possible for us to contact them.
You alone know who your customers are.
AttrakDiff makes possible the anonymous evaluation of any product by users, customers etc. From the evaluation data it is possible to gauge how attractive the product is in terms of usability and appearance. And whether optimisation is necessary.
The number of projects allowed is not limited. You can enrol as many projects as you choose.
It is left to you to decide how long the rating sheets remain accessible to the test participants. The maximum duration is three months. Should you wish the duration to exceed three months, please use our Premium Services.
In the "Participants" section, you can choose whether you want to carry out the study with anonymous participants or whether you prefer to address specific participants.
The project overview always contains a link to your study. In the case of anonymous studies, your participants are provided with this link.
For studies with specific participants, eSURVEY sends out invitations by e-mail. To do so, you have to enter the participants' names and e-mail addresses in eSURVEY and, if needed, you can edit the respective invitation. In the "Participants" section, you can choose from two options for sending e-mails.
1. Send automatically
The e-mails are sent out automatically when the project is activated.
2. Send manually
After configuring and activating your project, you can send out the invitation e-mail to all participants by choosing Notify participants". Or you can send individual e-mails by choosing "Edit participants" and clicking the letter icon.
The participants list that can be accessed via "Edit participants" always gives you an overview of who has already received an invitation and who has taken part in the study.
Throughout the entire data collection process, the project manager can call up the preliminary results to track the progress of the study. However, this is only possible if at least two participants have already taken part in the study. Use your access data to log in and choose a project. Click "Show results".
Data protection is important to us. The data you enter will be processed anonymously and will not be passed on to any third party. The project co-ordinator alone passes on the access data for to the test participants. We therefore have no information or contact details of your test participants. Only you know who your test participants and customers are.
The maximum number of participants is 20. Should you wish to include more participants, please contact us: email@example.com.
Enter your details:
We make tomorrow's technology usable. We are User Interface Design GmbH (UID), a team of more than 100 experts for design, software, and usability. Being creative user interface architects, we support our customers from idea generation through product implementation. We are always crossing borders - working internationally, across industries, and across disciplines.
We develop holistic solutions for our customers in the Automotive, Consumer, Enterprise, Industrial, Medical & Pharma, and Web industries, which enthuse users and make user experience perceptible. Being a reliable partner, we have successfully completed more than 1,200 projects since 1998. Our workplace is border-less with headquarters in Ludwigsburg, offices in Dortmund, Mannheim and Munich, and international partners worldwide.
Visit our company website: www.uid.com
The online-version of AttrakDiff may be used by all.
The results may be copied according to the conditions of the references (found under www.attrakdiff.de) and used in any context including those of a commercial nature.
We invite all those interested to use AttrakDiff for the evaluation of websites, software, and other interactive products.
The AttrakDiff services are free of charge.
The test has been created in such a way that the attractiveness rating of the interactive product can easily be visualised in two-dimensional diagrams. It should provide a quick first impression. We cannot pledge correctness or completeness as the results are very dependent on the quality and reliability of the input information. Those responsible for www.attrakdiff.de have no influence over the quality of this input information.
The test and its results may not be utilised for causes that do not comply with legal regulations nor may it be used to evaluate illegal websites. The operators may exclude certain users from utilising this service. They may do so without naming or justifying reasons.
The programmes, the evaluation procedures and the website contents are protected by the laws of copyright. Should you wish to use the service in a manner that does not comply with the conditions mentioned above, please be sure to contact our AttrakDiff team.
User Interface Design GmbH, Wilhelm-Bleyle-Strasse 10–12, 71636 Ludwigsburg is entitled to save input data in a database for administration purposes.
User Interface Design GmbH is liable and complies with the regulations for the protection of data privacy. The data may be used for no other purposes than for the anonymous compilation of attractiveness evaluations and reports.
Contact details and evaluation data will not be passed on.
The data saved will be used solely to compile an evaluation of your product and thereby to establish anonymous mean values for the branch specified by you. User Interface Design GmbH reserves the right to sell the guidelines derivable from the database at a cost.
Cookies are small bits of data which are provided by the browser when requested and which are stored in the hard drive. They contain information which the web server recognises.
Cookies can be activated or deactivated in your browser options.
Unfortunately, not all users can be involved in the evaluation of a product. We usually have to make do with a limited number of selected users. One can therefore never be 100% sure that those users are truly representative.
It is possible that the results of an evaluation by the selected users could differ from that of the actual collective users if it were possible to ask them all. The confidence interval is a statistically probable area that indicates the "true" value that one would acquire were one to ask all the users.
The confidence right angle is formed by the dimensions Pragmatic Quality and Hedonic Quality of the confidence intervals. The portfolio presentation indicates how certain one can be that the average of the dimensions of the marked character correspond. A small confidence rectangle is always an advantage because it means that the opinions expressed in response to your investigation apply more likely to the product.
The confidence rectangle also reflects to what extent the users were at one with the rating of the product. The bigger the confidence rectangle the less at one the users were in the rating of your product.
As part of the final results of the study you will receive, along with a graphic presentation, an automatically generated report as an interpretation aid.
To get an idea of how the AttrakDiff results are presented you can download and view a PDF-document: results of the demo project
Managing directors: Franz Koller, Dr. Claus Görner
User Interface Design GmbH is registered at the Ludwigsburg district court under HRB 205519. The value-added tax identification number (Ust.-IdNr.) is DE 812 623 085.
Prof. Dr. Marc Hassenzahl
Ergonomics in Industrial Design
Contact: Marc Hassenzahl
This website is maintaned by and property of User Interface Design GmbH. It was designed, conceptionalised and realised by the User Interface Design GmbH.
Please address suggestions and comments to the Webmaster
This website is maintaned by and property of User Interface Design GmbH. It was designed, conceptionalised and realised by the User Interface Design GmbH. Please address suggestions and comments to the Please address suggestions and comments to the Webmaster
A substantial part of AttrakDiff and the AttrakDiff website emerged from INVITE (1999-2003).
INVITE is a research project promoted by the BMBF. The identity code is: 01 IL 901 V 8. The authors are liable for its contents.
User Interface Design GmbH constantly evaluates and updates the information presented on this website. In spite of all due care, some information may have changed over time.
Therefore, UID does not accept any liability or provide any guarantee that the information provided is accurate, complete or up to date.
The same applies to all websites referenced via hyperlinks. Monitoring the content of such referenced websites and ensuring the compliance of the data with the law is the sole responsibility of the websites' owners.
If you use this website or download data, you do so at your own risk. User Interface Design GmbH does not accept any responsibility for damage resulting from this, e. g. damage to the users' data, hardware or software. Moreover, User Interface Design GmbH reserves the right to adapt or supplement the information provided at any time without prior notice.
Thank you for your interest in our website. Protecting the privacy of your data is of utmost importance to us. Therefore, we would like to outline how we handle your data:
The provision of data is neither legally or contractually required nor necessary for the conclusion of a contract. You are therefore not obliged to provide personal data to us.
We would like to remind you of your right of access, your right of rectification, your right of erasure, your right to restriction of processing and your right of data portability (cf. Articles 15 to 18 and Article 20 GDPR). You can contact our data protection officer (see below) for the establishment of these legal claims.
Moreover, we would like to inform you of the possibility to log a complaint with the relevant data protection authority indicated below.
You can withdraw your consent by e-mail without affecting the lawfulness of processing based on consent before its withdrawal. Provided that no obligations to retain data are specified by commercial or fiscal law, your personal data will be deleted and you will be informed thereof.
You can contact our data protection officer at:
RA Kai Schützle
Schützle Rechtsanwaltsgesellschaft mbH
fon: +49 (0)7131 12 08 73 00
fax: +49 (0)7131 12 08 73 99
e-Mail: a href='mailto:firstname.lastname@example.org'>email@example.com
The contact details of the data protection authority are:
Der Landesbeauftragte für den Datenschutz und die Informationsfreiheit
Königstrasse 10 a
fon: +49 (0)711 61 55 41 0
fax: +49 (0)711 61 55 41 15
Personal data is only collected if you enter such information voluntarily, e. g. when sending us a contact request or registering for our newsletter. Unless you grant explicit approval, we shall only use such data for the purpose for which the data was originally provided. Upon completion of the contract, your data will be blocked from any further use and deleted after expiry of the storage periods required under tax law and trade law, unless you have expressly given your approval for the continued utilization of your data. If you register for the newsletter, your e-mail address will be used for our own advertising purposes until you unsubscribe from the newsletter. You can unsubscribe from our newsletter at any time.
Forwarding personal data
Your data will not be forwarded to any third party unless you have explicitly consented to such transfer of you data.